Even so, Mr Ellison remains the world’s fifth-richest man, and Oracle the third-biggest software firm. He has a thing or two to teach fellow tech titans, in particular his friend Elon Musk, about ...

US tech titans Elon Musk, Mark Zuckerberg and Jeff Bezos are taking a prominent place in the new Trump era, but another player from another era -- Oracle boss Larry Ellison -- is making a surprise ...